Although Steger Had employed Rolex watches for earlier expeditions (he was only the fourth individual in record to achieve the two Poles), with the 1989 expedition, he utilized a quirky watch created especially for him with the French manufacturer, Yema. The watch, called the Bipole Duopoly had a 48mm titanium https://www.watchesworld.com/frozen-in-time-luxury-watches-for-winter/